6 Safety Flow Switch - The Equipment Needed. Vigilant fire & safety are the prime suppliers of flow switches to detect the flow of any operation in fire safety devices, in kerala. Ac, 125/250 volts, 5 amps, double pole,.
Air flow switches contain sensors with an electrical contact output at a specific airflow rate. What is the purpose of a flow switch? A flow switch, like all switches, is a device designed to make and break an electric current in a circuit.